// Copyright (c) 2021 CINN Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once
#include <algorithm>
#include <chrono>  //NOLINT
#include <vector>

namespace cinn {
namespace utils {

class Timer {
 public:
  Timer() = default;

  void Start();
  float Stop();

 private:
  std::chrono::time_point<std::chrono::high_resolution_clock,
                          std::chrono::nanoseconds>
      start_, end_;
};

}  // namespace utils
}  // namespace cinn
